Book Chapters
Mitchell, Leander K. (2022). The journey of bereavement. Comprehensive clinical psychology. (pp. 89-100) edited by Gordon J. G. Asmundson. Amsterdam, Netherlands: Elsevier. doi: 10.1016/B978-0-12-818697-8.00018-2
Mitchell, Leander K. (2015). Contextual Adult Life Span Theory for Adapting Psychotherapy (CALTAP) and clinical geropsychology. Encyclopedia of Geropsychology. (pp. 1-7) Singapore: Springer. doi: 10.1007/978-981-287-080-3_131-1
Journal Articles
Pourzinal, Dana, Elgey, Charlotte, Bailey, Daniel X., Yang, Jihyun, Lehn, Alexander, Tinson, Helen, Liddle, Jacki, Brooks, Deborah, Naismith, Sharon L., Shrubsole, Kirstine, Marsh, Rodney, Mitchell, Leander K., Pachana, Nancy A., King, James and Dissanayaka, Nadeeka N. (2025). Diagnosis, evaluation and management of cognitive disorders in Parkinson’s disease: A systematic review. International Psychogeriatrics 100081, 1-10. doi: 10.1016/j.inpsyc.2025.100081
Pacas Fronza, Gabriela, Mitchell, Leander K., Pachana, Nancy A., Byrne, Gerard J., Liddle, Jacki, Yang, Jihyun, Brooks, Deborah, Au, Tiffany, Pourzinal, Dana, Worthy, Peter, Comans, Tracy, Beattie, Elizabeth, Bennett, Sally, Russell, Trevor and Dissanayaka, Nadeeka N. (2024). Telehealth cognitive behavior therapy to reduce anxiety in people living with cognitive impairment: a randomized feasibility pilot study. Clinical Gerontologist, ahead-of-print (ahead-of-print), 1-15. doi: 10.1080/07317115.2024.2336187
Pourzinal, Dana, Yang, Jihyun, McMahon, Katie L., Copland, David A., Mitchell, Leander, O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2024). Hippocampal resting‐state connectivity is associated with posterior‐cortical cognitive impairment in Parkinson's disease. Brain and Behavior, 14 (3) e3454, 1-12. doi: 10.1002/brb3.3454
Roper, Amy, Brooks, Deborah, Mitchell, Leander K., Pachana, Nancy A., Au, Tiffany R., Byrne, Gerard J., O’Sullivan, John D. and Dissanayaka, Nadeeka N. (2024). Feasibility and acceptability of a videoconferencing CBT intervention for anxiety in people with Parkinson’s Disease. Clinical Gerontologist, ahead-of-print (ahead-of-print), 1-16. doi: 10.1080/07317115.2024.2306861
Pourzinal, Dana, Yang, Jihyun, Sivakumaran, Kumareshan, McMahon, Katie L., Mitchell, Leander, O'Sullivan, John D., Byrne, Gerard J. and Dissanayaka, Nadeeka N. (2023). Longitudinal follow up of data‐driven cognitive subtypes in Parkinson's disease. Brain and Behavior, 13 (10) e3218, e3218. doi: 10.1002/brb3.3218
Dissanayaka, Nadeeka, Brooks, Deborah, Worthy, Peter, Mitchell, Leander, Pachana, Nancy A., Byrne, Gerard, Keramat, Syed Afroz, Comans, Tracy, Bennett, Sally, Liddle, Jacki, Chatfield, Mark D., Broome, Annette, Oram, Joanne, Appadurai, Kanaganayagam, Beattie, Elizabeth, Au, Tiffany, King, Teagan, Welsh, Kimberley and Pietsch, Ann (2023). A single-blind, parallel-group randomised trial of a technology-assisted and remotely delivered cognitive behavioural therapy intervention (Tech-CBT) versus usual care to reduce anxiety in people with mild cognitive impairment and dementia: study protocol for a randomised trial. Trials, 24 (1) 420, 1-17. doi: 10.1186/s13063-023-07381-2
Yang, Jihyun, Pourzinal, Dana, Byrne, Gerard J., McMahon, Katie L., Copland, David A., O’Sullivan, John D., Mitchell, Leander and Dissanayaka, Nadeeka N. (2023). Global assessment, cognitive profile, and characteristics of mild cognitive impairment in Parkinson's disease. International Journal of Geriatric Psychiatry, 38 (6) e5955, e5955. doi: 10.1002/gps.5955
Pacas Fronza, Gabriela, Liddle, Jacki, Mitchell, Leander K., Byrne, Gerard J., Pachana, Nancy A. and Dissanayaka, Nadeeka N. (2022). Phenomenology of anxiety in people living with mild to moderate dementia: a conceptual meta-ethnographic review. Dementia, 21 (8), 2677-2699. doi: 10.1177/14713012221123706
Roper, Amy, Pacas Fronza, Gabriela, Dobkin, Roseanne D., Beaudreau, Sherry A., Mitchell, Leander K., Pachana, Nancy A., Thangavelu, Karthick and Dissanayaka, Nadeeka N. (2022). A systematic review of psychotherapy approaches for anxiety in Parkinson’s Disease. Clinical Gerontologist, 47 (2), 1-27. doi: 10.1080/07317115.2022.2074814
Beckman, Emma M., Mandrusiak, Allison, Forbes, Roma, Mitchell, Leander, Tower, Marion, Cunningham, Brent and Lewis, Peter (2022). A student-led, interprofessional care, community-based healthcare service: Student, clinical educator and client perceptions of interprofessional care and education. Focus on Health Professional Education: A Multi-Professional Journal, 23 (1), 90-108. doi: 10.11157/fohpe.v23i1.476
Zhang, Angeline, Mitchell, Leander K., Pachana, Nancy A., Yang, Ji Hyun J., Au, Tiffany R., Byrne, Gerard J., O’Sullivan, John D. and Dissanayaka, Nadeeka N. (2022). Caring for a loved one with Parkinson’s disease: the role of coping styles and relationship quality. International Psychogeriatrics, 34 (7) PII S1041610221002866, 1-8. doi: 10.1017/s1041610221002866
Brydon, Aida, Bhar, Sunil, Doyle, Colleen, Batchelor, Frances, Lovelock, Harry, Almond, Helen, Mitchell, Leander, Nedeljkovic, Maja, Savvas, Steven and Wuthrich, Viviana (2021). National survey on the impact of COVID-19 on the mental health of Australian residential aged care residents and staff. Clinical Gerontologist, 45 (1), 1-13. doi: 10.1080/07317115.2021.1985671
Dissanayaka, Nadeeka N., Forbes, Elana J., Yang, Ji Hyun J., Pourzinal, Dana, O’Sullivan, John D., Mitchell, Leander K., Copland, David A., McMahon, Katie L. and Byrne, Gerard J. (2021). Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementia. Journal of Neurology, 269 (3), 1600-1609. doi: 10.1007/s00415-021-10736-x
Shih, Hao-Yu, Paterson, Mandy B. A., Georgiou, Fillipe, Mitchell, Leander, Pachana, Nancy A. and Phillips, Clive J. C. (2021). Two ends of the leash: Relations between personality of shelter volunteers and on-leash walking behavior with shelter dogs. Frontiers in Psychology, 12 619715, 619715. doi: 10.3389/fpsyg.2021.619715
Forbes, Roma, Beckman, Emma, Tower, Marion, Mandrusiak, Allison, Mitchell, Leander K., Sexton, Christopher T., Cunningham, Brent and Lewis, Peter A. (2020). Interprofessional, student-led community health clinic: expanding service provision and clinical education capacity. Australian Health Review, 45 (2), 255-260. doi: 10.1071/ah20021
Pourzinal, Dana, Yang, Ji Hyun J., Byrne, Gerard J., O’Sullivan, John D., Mitchell, Leander, McMahon, Katie L., Copland, David A. and Dissanayaka, Nadeeka N. (2020). Identifying subtypes of mild cognitive impairment in Parkinson’s disease using cluster analysis. Journal of Neurology, 267 (11), 3213-3222. doi: 10.1007/s00415-020-09977-z
Thangavelu, Karthick, Hayward, Joshua A., Pachana, Nancy A., Byrne, Gerard J., Mitchell, Leander K., Wallis, Guy M., Au, Tiffany R. and Dissanayaka, Nadeeka N. (2020). Designing virtual reality assisted psychotherapy for anxiety in older adults living with Parkinson's disease: integrating literature for scoping. Clinical Gerontologist, 45 (2), 1-33. doi: 10.1080/07317115.2019.1709597
Pachana, N. A. and Mitchell, L. K. (2018). Examining the unique wisdom of older adults. International Psychogeriatrics, 30 (12), 1743-1744. doi: 10.1017/S104161021800176X
Stargatt, Jennifer, Bhar, Sunil S., Davison, Tanya E., Pachana, Nancy A., Mitchell, Leander, Koder, Deborah, Hunter, Carol, Doyle, Colleen, Wells, Yvonne and Helmes, Edward (2017). The availability of psychological services for aged care residents in Australia: a survey of facility staff. Australian Psychologist, 52 (6), 406-413. doi: 10.1111/ap.12244
Mitchell, Leander K. , Knight, Bob G. and Pachana, Nancy A. (2017). Wisdom across the ages and its modern day relevance. International Psychogeriatrics, 29 (8), 1231-1234. doi: 10.1017/S1041610217000783
Dissanayaka, Nadeeka N. W., Pye, Deidre, Mitchell, Leander K., Byrne, Gerard J., O'Sullivan, John D., Marsh, Rodney and Pachana, Nancy A. (2016). Cognitive behavior therapy for anxiety in Parkinson’s disease: outcomes for patients and caregivers. Clinical Gerontologist, 40 (3), 159-171. doi: 10.1080/07317115.2016.1240131
Pachana, Nancy A., Mitchell, Leander K., Pinsker, Donna M., Morriss, Elissa, Lo, Ada and Cherrier, Monique (2016). In brief, look sharp: short form assessment in the geriatric setting. Australian Psychologist, 51 (5), 342-351. doi: 10.1111/ap.12203
Davison, Tanya E., Koder, Deborah, Helmes, Edward, Doyle, Colleen, Bhar, Sunil, Mitchell, Leander, Hunter, Carol, Knight, Bob and Pachana, Nancy (2016). Brief on the role of psychologists in residential and home care services for older adults. Australian Psychologist, 52 (6), 397-405. doi: 10.1111/ap.12209
Pachana, Nancy A., Mitchell, Leander K. and Knight, Bob G. (2015). Using the CALTAP lifespan developmental framework with older adults. GeroPsych: The Journal of Gerontopsychology and Geriatric Psychiatry, 28 (2), 77-86. doi: 10.1024/1662-9647/a000126
Gardiner, Paul A., Byrne, Gerald J., Mitchell, Leander K. and Pachana, Nancy A. (2015). Financial capacity in older adults: a growing concern for clinicians. Medical Journal of Australia, 202 (2), 82-85. doi: 10.5694/mja14.00201
Pachana, Nancy A., Byrne, Gerard J., Wilson, Jill, Tilse, Cheryl, Pinsker, Donna M., Massavelli, Bronwyn, Vearncombe, Katharine J. and Mitchell, Leander K. (2014). Predictors of financial capacity performance in older adults using the Financial Competence Assessment Inventory. International Psychogeriatrics, 26 (6), 921-927. doi: 10.1017/S1041610214000209
Mitchell, Leander K., Pachana, Nancy A., Wilson, Jill, Vearncombe, Katharine, Massavelli, Bronwyn, Byrne, Gerard J. and Tilse, Cheryl (2014). Promoting the use of enduring powers of attorney in older adults: a literature review. Australasian Journal on Ageing, 33 (1), 2-7. doi: 10.1111/ajag.12043
Peisah, Carmelle, Sorinmade, Oluwatoyin A., Mitchell, Leander and Hertogh, Cees M. P. M. (2013). Decisional capacity: toward an inclusionary approach. International Psychogeriatrics, 25 (10), 1571-1579. doi: 10.1017/S1041610213001014
Mitchell, Leander K. and Pachana, Nancy A. (2013). Rehabilitation in residential aged care facilities: barriers and facilitators in a dementia context. Australian Journal of Rehabilitation Counselling, 19 (1), 57-63. doi: 10.1017/jrc.2013.5
Smith, Erin R., Broughton, Megan, Baker, Rosemary, Pachana, Nancy A., Angwin, Anthony J., Humphreys, Michael S., Mitchell, Leander, Byrne, Gerard J., Copland, David A., Gallois, Cindy, Hegney, Desley and Chenery, Helen J. (2011). Memory and communication support in dementia: research-based strategies for caregivers. International Psychogeriatrics, 23 (2), 256-263. doi: 10.1017/S1041610210001845
Conference Papers
Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2024). Barriers and facilitators of cognitive behavioural therapy interventions for people living with mild cognitive impairment or dementia: a systematic review. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Au, T., Beattie, E., Bennett, S., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Comans, T., Dissanayaka, N., Guy, R., Keramat, S.A., King, T., Lehn, A., Liddle, J., Mitchell, L., Oram, J., O’Sullivan, J., Pacas Fronza, G., Pachana, N., Pietsch, A., Tan, J., Welsh, K. and Worthy, P. (2024). Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Pourzinal, D., Sivakumaran, K., Yang, J., Bailey, D.X., Mitchell, L.K., Brooks, D. and Dissanayaka, N. (2024). Neuropsychological predictors of cognitive decline in Parkinson's disease: A systematic review (PDCogniCare). Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Au, T., Bailey, D., Beattie, E., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Dissanayaka, N., Keramat, S.A., Lehn, A., Liddle, J., Marsh, R., Mitchell, L., Naismith, S., Nestor, S., O’Sullivan, J., Pachana, N., Pourzinal, D., Robertson, S., Shrubsole, K., Sivakumaran, K., Spooner, D., Tinson, H., Verreynne, M.L., Worthy, P. and Yang, J. (2024). Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
Worthy, P., Brooks, D., Pacas Fronza, G., Liddle, J., Mitchell, L., Pachana, N., Frost, D., Robertson, S. and Dissanayaka, N. (2023). Co-designing better conversations with smart assistants to support self-managed therapy practice. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2023). Improving implementation: protocol for a mixed-methods process evaluation of a technology-assisted CBT program for anxiety in people living with mild cognitive impairment and dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
King, T., Brooks, D., Worthy, P., Bennett, S., Liddle, J., Mitchell, L. and Dissanayaka, N. (2023). Development of a digital training package to upskill psychologists in the delivery of a technology assisted CBT program (Tech-CBT) to target anxiety in people with mild cognitive impairment and dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Welsh, K., Brooks, D., Mitchell, L. and Dissanayaka, N. (2023). Barriers and facilitators to the delivery of CBT interventions to people with mild cognitive impairment and dementia: technology assisted and non-technology assisted approaches. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Dissanayaka, N.N., Pacas Fronza, G., Mitchell, L., Pachana, N., Worthy, P., Byrne, G., Keramat, S.A., Comans, T., Bennett, S., Liddle, J., Chatfield, M., Broome, A., Oram, J., Appadurai, K., Beattie, E., Welsh, K., King, T., Brimelow, R., Burley, C., Pietsch, A., Brooks, D. and Au, T. (2023). New technology assisted interventions to combat anxiety and depression in dementia. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29-31 May 2023.
Pacas Fronza, G., Mitchell, L., Pachana, N., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2023). Reduction of anxiety symptoms in people living with cognitive impairment after CBT-based telehealth psychotherapy: results from a pilot trial. Australian Dementia Research Forum 2023, Gold Coast, QLD Australia, 29 - 31 May 2023.
Dissanayaka, N., Zhang, A., Mitchell, L. and Pachana, N. (2022). Relationships matter: How coping styles and relationship quality, as well as individual contexts, can be used to help caregivers of persons living with Parkinson’s disease. USA National Alliance for Caregiving, Online, 19 May 2022.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2021). Psychotherapy via telehealth to reduce anxiety in persons living with cognitive impairment. 31st Alzheimer Europe Conference: Resilience in dementia: Moving beyond the COVID-19 pandemic, Online, 29 November – 1 December 2021.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2021). Remote delivery of technology assisted psychotherapy for people living with dementia in the community. DCRC Anxiety and Depression Symposium 2021, Online, 17 September 2021. Kelvin Grove, QLD, Australia: Dementia Centre for Research Collaboration.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Liddle, J. and Dissanayaka, N. N. (2021). Telehealth psychotherapy for anxiety in older persons with cognitive impairment (Tele-CBT): a mixed methods pilot study. Australia Dementia Forum 2021, Online, 31 May – 1 June 2021.
Yang, J., Forbes, E., Pourzinal, D., McMahon, K., Copland, D., Byrne, G., O'Sullivan, J., Mitchell, L. and Dissanayaka, N. (2020). Identification and clinical characteristics of mild cognitive impairment in Parkinson's disease. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Dissanayaka, N., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D., Padmassini, A., White, E. X., Yang, J. H. J., Forbes, E., Thangavelu, K., Au, T., Lehn, A., Adam, R. and Pachana, N. A. (2020). Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study update. Herston Health Precinct Symposium 2020, Brisbane, QLD Australia, 7-11 December 2020.
Forbes, E., Byrne, G. J., Yang, J. H. J., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. K. and Dissanayaka, N. N. (2020). Anxiety disorders are associated with verbal memory impairment in patients with Parkinson’s disease without dementia. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Forbes, E., Byrne, G. J., Yang, J. H. J., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. K. and Dissanayaka, N. N. (2020). Defining atypical anxiety in Parkinson’s disease. Herston Health Precinct Symposium 2020, Brisbane, QLD, Australia, 7-11 December 2020.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G., Wuthrich, V. and Dissanayaka, N. (2020). Telehealth assisted psychotherapy for anxiety in people with cognitive impairment (Tele-CBT): a study protocol. Herston Health Precinct Symposium 2020, Brisbane, QLD Australia, 7-11 December 2020.
Pacas Fronza, G., Mitchell, L. K., Pachana, N. A., Byrne, G. and Dissanayaka, N. N. (2020). What can anxiety in dementia look like and can psychotherapy help? Introducing a Tele-CBT for anxiety in cognitive impairment. DCRC Online Symposia: Anxiety and Depression in Dementia Research Network, Online, 11 November 2020.
Pourzinal, D., Yang, J. H., Byrne, G. J., O'Sullivan, J. D., Mitchell, L. K., McMahon, K. L., Copland, D. A. and Dissanayaka, N. N. W. (2020). Altered functional connectivity of the hippocampus in posterior-cortical subtype of cognitive impairment in Parkinson’s disease. Australian Society for Medical Research Queensland Postgraduate Student Conference, Online, 11 November 2020.
Forbes, E., Byrne, G.J., Yang, J.H.J., O'Sullivan, J., Copland, D.A., McMahon, K.L., Mitchell, L.K. and Dissanayaka, N.N. (2020). Profiling atypical anxiety in Parkinson’s Disease. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Yang, Ji Hyun, Forbes, Elana, Pourzinal, Dana, McMahon, Katie, Copland, David, Byrne, Gerard, O'Sullivan, John, Mitchell, Leander and Dissanayaka, Nadeeka (2020). Identification and clinical characteristics of mild cognitive impairment in Parkinson’s disease. Australian Dementia Forum, Adelaide, SA, Australia, 31 May-2 June 2020. Canberra City, ACT, Australia: NHMRC National Institute for Dementia Research (NNIDR).
Pacas Fronza, G., Mitchell, L.K., Pachana, N.A., Byrne, G.J., Wuthrich, V. and Dissanayaka, N.N. (2020). Tele-CBT: Telehealth videoconference assisted psychotherapy for anxiety in people with cognitive impairment. Macquarie University BioNetwork 3rd Annual Research Symposium on Dementia, Online, 14-15 September 2020.
Dissanayaka, N.N,, Byrne, G.J., Mitchell, L.K., O’Sullivan, J.D., Padmassini, A., White, E.X., Yang, J.H.J., Forbes, E., Thangavelu, K., Au, T., Lehn, A., Adams, R. and Pachana, N.A. (2020). Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study update. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Forbes, E., Byrne, G.J., Yang, J.H.J., O'Sullivan, J., Copland, D.A., McMahon, K.L., Mitchell, L.K. and Dissanayaka, N.N. (2020). Anxiety is associated with verbal memory impairment in Parkinson’s disease. 53rd Australian Association of Gerontology (AAG) Conference, Online, 18-20 November 2020.
Yang, J.H., Forbes, E., Pourzinal, D., McMahon, K., Copland, D.A., Byrne, G.J., O'Sullivan, J., Mitchell, L. and Dissanayaka, N.N. (2020). Identification and clinical characteristics of mild cognitive impairment in Parkinson’s disease. MDS Virtual Congress 2020, Online, 12-16 September 2020.
Yang, J., Forbes, E., Pourzinal, D., McMahon, K., Copland, D., Byrne, G., O'Sullivan, J., Mitchell, L. and Dissanayaka, N. (2020). Identification and clinical characteristics of Mild Cognitive Impairment in Parkinson's disease. Macquarie University BioNetwork 3rd Annual Research Symposium on Dementia, Online, 14-15 September 2020.
Pourzinal, D., Yang, J.H.J., Byrne, G.J., O'Sullivan, J., Mitchell, L., McMahon, K.L., Copland, D.A. and Dissanayaka, N.N. (2020). Investigating resting state functional connectivity in sub-phenotypes of Mild Cognitive Impairment in Parkinson’s disease. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Pourzinal, D., Yang, J.H.J., Byrne, G.J., O'Sullivan, J., Mitchell, L., McMahon, K.L., Copland, D.A. and Dissanayaka, N.N. (2020). Using cluster analysis to identify mild cognitive impairment phenotypes in Parkinson’s disease. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Forbes, E. J., Byrne, G. J., Yang, J. H. J., O'Sullivan, J., Copland, D. A., McMahon, K. L., Mitchell, L. and Dissanayaka, N. N. (2020). Anxiety is associated with verbal memory impairment in Parkinson’s disease. 5th Annual NHMRC National Institute for Dementia Research (NNIDR) Australian Dementia Forum, Adelaide, Australia, 31 May - 2 June 2020.
Pourzinal, D., Yang, J., Byrne, G. J., O'Sullivan, J D., Mitchell, L., McMahon, K., Copland, D. A. and Dissanayaka, N. N. (2019). Identifying subtypes of Mild Cognitive Impairment in Parkinson’s Disease Using Cluster Analysis. International Congress of Parkinson’s Disease and Movement Disorders, Nice, France, 22-26 September 2019. Hoboken, NJ United States: John Wiley & Sons.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2019). Identifying altered resting-state network in Parkinson's disease with mild cognitive impairment. 23rd Annual Meeting of the Organisation for Human Brain Mapping, Rome, Italy, 9-13 June 2019.
Yang, J., McMahon, K., Copland, D. A., Byrne, G. J., O'Sullivan, J. D., Mitchell, L. and Dissanayaka, N. N. (2019). Identifying Altered Resting-State Networks in Parkinson’s disease Patients with Mild Cognitive Impairment. International Congress of Parkinson’s Disease and Movement Disorders, Nice, France, 22-26 September 2019. Hoboken, NJ United States: John Wiley & Sons.
Mitchell, Leander and Knight, Bob (2018). Conceptualising the older adult factor in therapy and assessment processes. 2018 APS Congress Psychology advancing into a new age, Sydney, Australia, 27–30 September 2018. Oxford, United Kingdom: John Wiley & Sons. doi: 10.1111/ap.12372
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2018). Altered network connectivity during resting state in Parkinson's disease patients with mild cognitive impairment as a marker for dementia. NNIDR Australian Dementia Forum, Sydney, NSW Australia, 4-5 June 2018.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2018). Altered network connectivity during resting state in Parkinson's disease patients with mild cognitive impairment as a marker for dementia. 8th Australasian Cognitive Neuroscience Society Conference, Melbourne, VIC Australia, 22-25 November 2018.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2018). Altered network connectivity during resting state in Parkinson's disease patients with mild cognitive impairment as a marker for dementia. Imaging@Brisbane 2018, Brisbane, QLD Australia, 22-24 August 2018.
Dissanayaka, N. N. W., Toft, A., Yang, J. H., Pachana, N., O'Sullivan, J., Mitchell, L., Copland, D. and Byrne, G. (2017). Anxiety in patients with cognitive impairment and Parkinson’s disease. NNIDR Australian Dementia Forum, Melbourne, VIC Australia, 15-17 October, 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Rheinberger, T. J., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Impairments in functional networks linked to attentional deficits in mild cognitive impairment MCI in patients with Parkinson’s disease. 7th Australasian Cognitive Neuroscience Society Conference, Adelaide, SA Australia, 23-26 November 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley-Blackwell.
Yang, J. H., McMahon, K . L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Altered attention brain network in Parkinson’s disease with mild cognitive impairment. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley-Blackwell.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K. and Dissanayaka, N. N. W. (2017). Impaired semantic fluency in Parkinson’s disease with mild cognitive impairment: a fMRI study. 23rd Annual Meeting of the Organisation for Human Brain Mapping, Vancouver, BC, Canada, 25-29 June 2017.
Toft, A., Yang, J., Byrne, G., O’Sullivan, J., Mitchell, L., Copland, D. and Dissanayaka, N. (2017). Investigating the Association between Anxiety and Cognitive Impairment in Parkinson’s Disease: A Descriptive Study. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley-Blackwell.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K. and Dissanayaka, N. N. W. (2017). Attention network in Parkinson’s disease with mild cognitive impairment: an event-related fMRI study. 23rd Annual Meeting of the Organisation for Human Brain Mapping, Vancouver, BC, Canada, 25-29 June 2017.
Dissanayaka, N. N. W., Pachana, N. A., O'Sullivan, J. D., Marsh, R., Silburn, P. A., White, E. X., Torbey, E., Pye, D., Mitchell, L. K., Yang, J. H., Toft, A. J., Au, T. R., Mellick, G. D., Copland, D. A. and Byrne, G. J. (2017). Improving Diagnosis and Treatment of Anxiety in Older Adults with Parkinson’s Disease (IDATA-PD STUDY). Psychology & Ageing Interest Group National Conference - Empowering older adults through psychology, Brisbane, QLD Australia, 6-7 October 2017.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Understanding neural activation in semantic fluency in Parkinson’s disease with mild cognitive impairment. The Movement Disorder Society of Australia and New Zealand Scientific Conference, Gold Coast, QLD Australia, 22 September 2017.
Dissanayaka, N., Pachana, N., O’Sullivan, J., Marsh, R., Silburn, P., White, E., Torbey, E., Pye, D., Mitchell, L., Mellick, G., Copland, D. and Byrne, G. (2017). Improving diagnosis and treatment of anxiety in Parkinson’s disease: IDATA-PD study. International Congress of Parkinson's Disease and Movement Disorders, Vancouver, BC, Canada, 4-8 June 2017. Hoboken, NJ United States: Wiley.
Yang, J. H., McMahon, K. L., Copland, D. A., Byrne, G. J., Toft, A. J. H., Mitchell, L. K., O'Sullivan, J. D. and Dissanayaka, N. N. W. (2017). Altered attention brain network in Parkinson’s disease with mild cognitive impairment. The Movement Disorder Society of Australia and New Zealand Scientific Conference, Gold Coast, QLD Australia, 22 September 2017.
Yang, J.H., McMahon, K.L., Copland, D.A., Byrne, G.J., Toft, A.J.H., Mitchell, L.K., O'Sullivan, J.D. and Dissanayaka, N.N.W. (2017). Altered attention brain network in Parkinson’s disease with mild cognitive impairment. Centre for Advanced Imaging 4th Annual Symposium, Brisbane, Australia, 29 September 2017.
Dissanayaka, N. N. W., Pye, D., Mitchell, L. K., Byrne, G. J., O'Sullivan, J. D., Marsh, R. and Pachana, N. A. (2016). Tailored Cognitive Behaviour Therapy to Combat Anxiety in Parkinson’s Disease. 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Dissanayaka, N. N. W., Pachana, N. A., O'Sullivan, J. D., Marsh, R., Silburn, P. A., White, E. X., Torbey, E., Pye, D. and Mitchell, L. K. (2016). Improving Diagnosis and Treatment of Anxiety in Older Adults with Parkinson’s Disease (IDATA-PD STUDY). 25th Annual RBWH Healthcare Symposium, Brisbane, QLD Australia, 12-16 September 2016.
Dissanayaka, N., Pachana, N., O'Sullivan, J., Marsh, R., Silburn, P., White, E., Torbey, E., Pye, D., Mitchell, L., Mellick, G., Copland, D. and Byrne, G. (2016). Improving Diagnosis and Treatment of Anxiety in Parkinson’s Disease: IDATA-PD study. Australia and New Zealand Association of Neurologists (ANZAN) Annual Scientic Meeting, Perth, WA Australia, 24-27 May 2016.
Dissanayaka, N., Pye, D., Mitchell, L., Byrne, G., O'Sullivan, J., Marsh, R. and Pachana, N. (2016). Tailored Cognitive Behaviour Therapy to combat anxiety in Parkinson’s disease. 8th World Congress of Behavioural and Cognitive Therapies, Melbourne, VIC Australia, 22-23 June 2016.
Knight, B. G., Mitchell, L. K., Kim, S., Wong, S. and Laidlaw, K. (2015). Can we measure wisdom reliably in everyone?. 2015 GSA Annual Scientific Meeting , Orlando, FL, United States, 18-22 November 2015. Cary, NC, United States: Oxford University Press. doi: 10.1093/geront/gnv552.02
Beattie, E. and Mitchell, L. K. (2015). Sustaining a virtual community of practice for dementia care professionals (CIP_D): Major challenges. GSA Annual Scientific Meeting 2015, Orlando, FL, United States, 18-22 November 2015. Cary, NC, United States: Oxford University Press. doi: 10.1093/geront/gnv591.03
Pye, D., Dissanayaka, N., Mitchell, L., O'Sullivan, J., Marsh, R., Byrne, G. and Pachana, N. (2015). Cognitive Behaviour Therapy for anxiety in Parkinson’s disease: Outcomes for patients and carers. RANZCP Faculty of Psychiatry of Old Age and APS Psychology and Ageing Special Interest Group Joint Conference, Adelaide, SA Australia, 26-28 November 2015.
Mitchell, Leander (2013). Wisdom: Do we need to reach the summit or is it about the journey?. 16th International Congress of International Psychogeriatric Association (IPA), Seoul, Korea, 1 - 4 October 2013. Cambridge, United Kingdom: Cambridge University Press. doi: 10.1017/S1041610213002135
Mitchell, Leander and Pachana, Nancy (2013). Measuring wisdom via self-report: A systematic review. 16th International Congress of International Psychogeriatric Association (IPA), Seoul, Korea, 1 - 4 October 2013. Cambridge, United Kingdom: Cambridge University Press. doi: 10.1017/S1041610213002160
Mitchell, Leander and Pachana, Nancy (2013). How do we feel about wisdom: A qualitative analysis. 16th International Congress of International Psychogeriatric Association (IPA), Seoul, Korea, 1 - 4 October 2013. Cambridge, United Kingdom: Cambridge University Press. doi: 10.1017/S1041610213002160
Mitchell, L., Demakis, G. and Peisah, C. (2012). Capacity assessment: the importance of strengths in a deficit-biased assessment model. International Psychogeriatrics Association Meeting, Cairns, Australia, 7-11 September 2012.
Mitchell, L., Byrne, G., Wilson, J., Tilse, C. and Pachana, A. (2012). Financial capacity in the presence of diffuse cortical atrophy: a single case study. 65th Annual Scientific Meeting “Charting New Frontiers in Aging”, San Diego, CA, United States, 14-18 November 2012. Cary, NC., United States: Oxford University Press.
Mitchell, Leander (2011). Working with people with dementia: The perspectives of an Australian psychology student. International Psychogeriatric Association Reinventing Aging through Innovation 15th International Congress, The Hague, Netherlands, 6-9 September 2011. Cambridge, United Kingdom: Cambridge University Press. doi: 10.1017/S104161021100127X
Benbow, Susan Mary, Kingston, P., Swanwick, G., Mitchell, L., Cohen, C. and Baiyewu, O. (2011). Safeguarding older adults: A focus on safeguarding systems to protect older people from abuse and neglect. 15th International Congress on the International Psychogeriatric Association, The Hague, The Netherlands, 6-9 September 2011. Cambridge, England, U.K.: Cambridge University Press. doi: 10.1017/S1041610211001281
Angwin, A., Baker, R., Byrne, G., Chenery, H. J., Copland, D., Gallois, C., Hegney, D., Hucker, K., Humphreys, M. S., Mitchell, L., Pachana, N. and Smith, E. (2009). The RECAPS program: Relieving the burden of care in dementia. First Joint Conference of the APS Psychology & Ageing Interest Group (PAIG) and the Royal Australia/New Zealand College of Psychiatrists (RANZCP) Faculty of Psychiatry of Old Age (FPOA), Bond University, Gold Coast, Queensland, 12-14 November 2009. Australia: Bond University.
Smith, E., Baker, R., Pachana, N., Mitchell, L., Angwin, A., Humphreys, M., Copland, D., Byrne, G., Gallois, C., Hucker, K., Vearncombe, K. and Chenery, H. (2009). Development of DVD-based training in strategies to support communication and memory in dementia. Australian National Dementia Research Forum 2008, Sydney, NSW, Australia, 18-19 September 2008. New York, NY, U.S.A.: Elsevier. doi: 10.1016/j.jalz.2009.07.030
Theses
Mitchell, Leander (2016). An Exploration of Wisdom in Mid- to Older-Aged Adults: An Australian Context. PhD Thesis, School of Psychology, The University of Queensland. doi: 10.14264/uql.2016.1140
Leander Mitchell Cognitive Rehabilitation Strategies and Dementia: Benefitting the Professional Caregiver. Professional Doctorate, School of Psychology, The University of Queensland.